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Published online by Cambridge University Press: 05 June 2009
Chicken pens previously infested with eggs of Ascaridia lineata were sprayed with formulations containing sodium pentachlorophenate, an alkyl polyamine, and 2-benzyl-4-chlorophenol.
Six-week-old chickens were placed in the treated pens for eight days, then sacrificed. The larval ascarids recovered from the intestines were counted.
The ovicidal activity of sodium pentachlorophenate was manifest by almost 65% reduction of worm burden which developed in susceptible young chickens. The other compounds investigated appeared to be relatively ineffective.